Home / 1,008,981.54-1,392,393.78-550,096.08

Finding the Fourth Proportional to 1,008,981.54, 1,392,393.78 and 550,096.08

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Solution

The fourth proportional to 1,008,981.54, 1,392,393.78 and 550,096.08 is: 759,132.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,981.54 : 1,392,393.78 = 550,096.08 : x
  2. Step 2: Convert to fraction form
    1,008,981.54/1,392,393.78 = 550,096.08/x
  3. Step 3: Cross multiply
    1,008,981.54x = 1,392,393.78 × 550,096.08
  4. Step 4: Simplify right side
    1,008,981.54x = 765,950,360,194.38
  5. Step 5: Solve for x
    x = 765,950,360,194.38/1,008,981.54
  6. Step 6: Final answer
    x = 759,132.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.